Registration of media type application/sparql-query

see also http://www.w3.org/TR/2005/WD-rdf-sparql-query-20051123/mime.txt

Type name:
  application

Subtype name:
  sparql-query

Required parameters:
  None

Optional parameters:
  None

Encoding considerations:
  The syntax of the SPARQL Query Language is expressed over
  code points in Unicode[UNICODE 3.0].  The encoding is always
  UTF-8 [RFC3629].

  Unicode code points may also be expressed using an \uXXXX (U+0 to
  U+FFFF) or \UXXXXXXXX syntax (for U+10000 onwards) where X is a
  hexadecimal digit [0-9A-F]

Security considerations:
  SPARQL queries using FROM, FROM NAMED, or GRAPH may cause the
  specified URI to be dereferenced. This may cause additional use of
  network, disk or CPU resources along with associated secondary issues
  such as denial of service. The security issues of Uniform Resource
  Identifier (URI): Generic Syntax [RFC3986] Section 7 should be
  considered. In addition, the contents of file: URIs can in some cases
  be accessed, processed and returned as results, providing unintended
  access to local resources.

  The SPARQL language permits extensions, which will have their own
  security implications.

  Multiple IRIs may have the same appearance. Characters in different
  scripts may look similar (a Cyrillic "o" may appear similar to a Latin
  "o"). A character followed by combining characters may have the same
  visual representation as another character (LATIN SMALL LETTER E
  followed by COMBINING ACUTE ACCENT has the same visual representation
  as LATIN SMALL LETTER E WITH ACUTE). Users of SPARQL must take care to
  construct queries with IRIs that match the IRIs in the data. Further
  information about matching of similar characters can be found in
  Unicode Security Considerations [UNISEC] and Internationalized
  Resource Identifiers (IRIs) [RFC3987] Section 8.
Interoperability considerations:
  There are no known interoperability issues.

Published specification:
  This specification.

Applications which use this media type:
  No known applications currently use this media type.

Additional information:

Magic number(s):
  A SPARQL query may have the string 'PREFIX' (case independent) near
  the beginning of the document.

File extension(s): 
  ".rq"

Base URI:
  The SPARQL 'BASE <IRIref>' term can change the current base URI for
  relative IRIrefs in the query language that are used sequentially
  later in the document.

Macintosh file type code(s):
  "TEXT"

Person & email address to contact for further information:
  public-rdf-dawg-comments@w3.org

Intended usage:
  COMMON

Restrictions on usage:
  None

Author/Change controller:
  The SPARQL specification is a work product of the World Wide Web
  Consortium's RDF Data Access Working Group.  The W3C has change
  control over these specifications.


Normative References

[RFC3023] Murata, M., St. Laurent, S., and D. Kohn, "XML Media Types",
          RFC 3023, January 2001.

[RFC3629] F. Yergeau, "UTF-8, a transformation format of ISO 10646",
          RFC 3629, November 2003.

[RFC3986] Berners-Lee, T., Fielding, R., and L. Masinter, "Uniform
          Resource Identifier (URI): Generic Syntax", STD 66, RFC
          3986, January 2005.

[RFC3987] Duerst, M. and M. Suignard, "Internationalized Resource
          Identifiers (IRIs)", RFC 3987, January 2005.

[UNICODE3.0] "The Unicode Standard Version 3.0", Addison Wesley,
          Reading, MA, ISBN 0-201-61633-5, August 2000.
          http://www.unicode.org/unicode/standard/standard.html. 

[UNISEC]  Mark Davis, Michel Suignard, "Unicode Security
          Considerations.
          http://www.unicode.org/reports/tr36/
-- 
-eric

office: +81.466.49.1170 W3C, Keio Research Institute at SFC,
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